/Engine/Source/Runtime/SignalProcessing/Public/DSP/MultithreadedPatching.h
Adds a new output. Calling this is thread safe, but individual instances ofFPatchOutputare only safe to be used from one thread. the returned FPatchOutputPtr can be safely destroyed at any point.
[FPatchOutputStrongPtr](API\Runtime\Engine\FPatchOutputStrongPtr) AddNewOutput ( int32 MaxLatencyInSamples, float InGain )